Research Vocabulary

#21

research problem

Example sentences

1. The research problem focuses on low school attendance in rural areas.
2. A clear research problem keeps the study focused.
3. The team discussed the research problem before choosing a method.

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#22

problem statement

Example sentences

1. The problem statement explains why the study is needed.
2. She wrote the problem statement in one clear paragraph.
3. The supervisor asked the student to make the problem statement more specific.

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#23

research aim

Example sentences

1. The research aim is to understand why some students leave school early.
2. A clear research aim guides the whole project.
3. The report states the research aim at the end of the introduction.

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#24

research objective

Example sentences

1. One research objective is to compare health services in two districts.
2. Each research objective should be clear and measurable.
3. The team checked whether the study met every research objective.

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#25

research question

Example sentences

1. The research question asks how sleep affects student performance.
2. A focused research question makes data collection easier.
3. The researchers changed the research question after the pilot study.

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#26

hypothesis

Example sentences

1. The hypothesis predicts that regular exercise will reduce stress.
2. The team tested the hypothesis with data from 200 adults.
3. The results did not support the original hypothesis.

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#27

null hypothesis

Example sentences

1. The null hypothesis states that the two groups are not different.
2. The researchers tested the null hypothesis with a statistical test.
3. A small p-value may lead the team to reject the null hypothesis.

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#28

alternative hypothesis

Example sentences

1. The alternative hypothesis states that the treatment has an effect.
2. The data supported the alternative hypothesis in the final analysis.
3. The researchers wrote the alternative hypothesis before collecting data.

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#29

prediction

Example sentences

1. The prediction states that sales will rise after the campaign.
2. The researchers compared the prediction with the final results.
3. A good prediction should be clear enough to test.

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#30

assumption

Example sentences

1. The analysis depends on the assumption that the data are accurate.
2. The researchers stated each assumption before testing the model.
3. A weak assumption can lead to an incorrect conclusion.

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#31

proposition

Example sentences

1. The proposition suggests that trust improves teamwork.
2. The researchers developed a proposition from the earlier theory.
3. Each proposition was discussed before data collection.

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#32

rationale

Example sentences

1. The rationale explains why the study focuses on rural schools.
2. The proposal gives a clear rationale for choosing this method.
3. A strong rationale connects the problem with the planned research.

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#33

scope

Example sentences

1. The scope of the study includes three schools in one city.
2. The team reduced the scope because time and money were limited.
3. The introduction clearly explains the scope of the research.

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#34

limitation

Example sentences

1. A small sample was an important limitation of the study.
2. The authors discussed each limitation in the final report.
3. This limitation means the results should be used with care.

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#35

delimitation

Example sentences

1. The age limit was a delimitation chosen by the researchers.
2. A delimitation shows what the study will not cover.
3. The report explains the reason for each delimitation.

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#36

feasibility

Example sentences

1. The team checked the feasibility of the project before it began.
2. Limited funding may reduce the feasibility of a large study.
3. A pilot study helped the researchers judge feasibility.

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#37

relevance

Example sentences

1. The team explained the relevance of the study to local policy.
2. Recent evidence increased the relevance of the research question.
3. The editor questioned the relevance of one old source.

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#38

significance

Example sentences

1. The report explains the significance of the findings for teachers.
2. The study has practical significance for community health programs.
3. The researchers discussed both statistical and practical significance.

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#39

novelty

Example sentences

1. The novelty of the study comes from its new source of data.
2. The editor asked the authors to explain the novelty more clearly.
3. Novelty alone does not guarantee that research is useful.

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#40

contribution

Example sentences

1. The study makes an important contribution to education research.
2. Each author described their contribution to the project.
3. The conclusion explains the main contribution of the findings.

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